<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="icon" th:href="@{/favicon.ico}" type="image/x-icon" />
    <link rel="stylesheet" th:href="@{/css/hello.css}">
    <link rel="stylesheet" th:href="@{/css/app.css}">
    <title>Blog</title>
</head>
<body>
    <div class="content">
        <p th:text="${error}">Error!</p>
        <a th:if="${backUrl!=null}" th:href="@{${backUrl}}">Back</a>
    </div>
</body>
</html>